JPS5726915A - Elastic surface wave circulation filter - Google Patents

Elastic surface wave circulation filter

Info

Publication number
JPS5726915A
JPS5726915A JP8876581A JP8876581A JPS5726915A JP S5726915 A JPS5726915 A JP S5726915A JP 8876581 A JP8876581 A JP 8876581A JP 8876581 A JP8876581 A JP 8876581A JP S5726915 A JPS5726915 A JP S5726915A
Authority
JP
Japan
Prior art keywords
surface wave
elastic surface
circulation filter
wave circulation
filter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP8876581A
Other languages
Japanese (ja)
Other versions
JPH0352250B2 (en
Inventor
Fuerudoman Mishieru
Enafu Jiyaninnu
Gaburi Andore
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Etat Francais
Original Assignee
Etat Francais
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR8012867A external-priority patent/FR2484153A1/en
Application filed by Etat Francais filed Critical Etat Francais
Publication of JPS5726915A publication Critical patent/JPS5726915A/en
Publication of JPH0352250B2 publication Critical patent/JPH0352250B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6423—Means for obtaining a particular transfer characteristic
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6403—Programmable filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6406—Filters characterised by a particular frequency characteristic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S331/00—Oscillators
    • Y10S331/02—Phase locked loop having lock indicating or detecting means

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Networks Using Active Elements (AREA)
JP8876581A 1980-06-10 1981-06-09 Elastic surface wave circulation filter Granted JPS5726915A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8012867A FR2484153A1 (en) 1980-06-10 1980-06-10 SAW recursive filter for mobile telecommunications - has two transducers forming delay line with loop with amplifier and additional transducer connected to filter output
FR8021827A FR2492193B2 (en) 1980-06-10 1980-10-13 RECURSIVE FILTER WITH ELASTIC SURFACE WAVES USING AN ACTIVE LOOPING DELAY LINE

Publications (2)

Publication Number Publication Date
JPS5726915A true JPS5726915A (en) 1982-02-13
JPH0352250B2 JPH0352250B2 (en) 1991-08-09

Family

ID=26221834

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8876581A Granted JPS5726915A (en) 1980-06-10 1981-06-09 Elastic surface wave circulation filter

Country Status (6)

Country Link
US (1) US4398163A (en)
JP (1) JPS5726915A (en)
CA (1) CA1178348A (en)
DE (1) DE3120808A1 (en)
FR (1) FR2492193B2 (en)
GB (1) GB2080067B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002232256A (en) * 2001-02-05 2002-08-16 Masaki Kobayashi Surface acoustic wave filter
JP2006254114A (en) * 2005-03-10 2006-09-21 Soshin Electric Co Ltd Delay line
JP2006258768A (en) * 2005-03-18 2006-09-28 Japan Radio Co Ltd Elastic wave sensor

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE42880T1 (en) * 1984-10-24 1989-05-15 Siemens Ag INTERMEDIATE FREQUENCY (IF) TRANSVERSAL EQUALIZERS.
US4661923A (en) * 1984-10-29 1987-04-28 United Technologies Corporation Large bandwidth SAW adaptive processor arrangement
US4656601A (en) * 1984-10-29 1987-04-07 United Technologies Corporation Large bandwidth saw adaptive processor arrangement
DE3730107A1 (en) * 1987-09-08 1989-03-16 Siemens Ag OSCILLATOR CIRCUIT WITH SURFACE WAVE FILTER
FR2637137A1 (en) * 1988-09-27 1990-03-30 Thomson Csf Surface wave transverse filter
JP3233021B2 (en) * 1996-06-06 2001-11-26 株式会社村田製作所 Active filter
DE102005046445B4 (en) * 2005-09-28 2019-10-10 Snaptrack, Inc. Bandpass filter

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3568102A (en) * 1967-07-06 1971-03-02 Litton Precision Prod Inc Split surface wave acoustic delay line
US3622916A (en) * 1969-03-11 1971-11-23 Ericsson Telefon Ab L M Periodic frequency characteristic filter for filtering periodic sampled signal
GB1449841A (en) * 1973-04-09 1976-09-15 Mullard Ltd Oscillators
GB1451664A (en) * 1973-06-06 1976-10-06 Nat Res Dev Surface acoustic wave oscillators
US3845418A (en) * 1974-01-02 1974-10-29 Hughes Aircraft Co Acoustic surface wave device with reduced rf feedthrough
US3894286A (en) * 1974-01-28 1975-07-08 Crystal Tech Inc Temperature compensated voltage tunable circuits using surface wave devices
AU490535B1 (en) * 1974-08-26 1977-02-17 Amalgamated Wireless (Australasia) Limited Improvements in surface elastic wave delay line oscillators
DE2610183A1 (en) * 1975-03-12 1976-09-23 Murata Manufacturing Co WAVE FILTER WITH ACOUSTIC SURFACE CONDUCTION
GB2033185B (en) * 1978-09-22 1983-05-18 Secr Defence Acoustic wave device with temperature stabilisation

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002232256A (en) * 2001-02-05 2002-08-16 Masaki Kobayashi Surface acoustic wave filter
JP4546652B2 (en) * 2001-02-05 2010-09-15 正樹 小林 Surface acoustic wave filter
JP2006254114A (en) * 2005-03-10 2006-09-21 Soshin Electric Co Ltd Delay line
JP2006258768A (en) * 2005-03-18 2006-09-28 Japan Radio Co Ltd Elastic wave sensor
JP4714885B2 (en) * 2005-03-18 2011-06-29 日本無線株式会社 Elastic wave sensor

Also Published As

Publication number Publication date
DE3120808A1 (en) 1982-04-08
DE3120808C2 (en) 1992-06-25
FR2492193B2 (en) 1987-11-27
GB2080067B (en) 1984-06-13
FR2492193A2 (en) 1982-04-16
US4398163A (en) 1983-08-09
GB2080067A (en) 1982-01-27
JPH0352250B2 (en) 1991-08-09
CA1178348A (en) 1984-11-20

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